accounts/abi/bind: support event filtering in abigen

4 files changed, 0 insertions, 1221 deletions

diff --git a/contracts/release/contract.go b/contracts/release/contract.go
deleted file mode 100644
index 03d7f8875..000000000
--- a/contracts/release/contract.go
+++ /dev/null
@@ -1,432 +0,0 @@
-// Code generated - DO NOT EDIT.
-// This file is a generated binding and any manual changes will be lost.
-
-package release
-
-import (
-	"math/big"
-	"strings"
-
-	"github.com/ethereum/go-ethereum/accounts/abi"
-	"github.com/ethereum/go-ethereum/accounts/abi/bind"
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/core/types"
-)
-
-// ReleaseOracleABI is the input ABI used to generate the binding from.
-const ReleaseOracleABI = "[{\"constant\":true,\"inputs\":[],\"name\":\"proposedVersion\",\"outputs\":[{\"name\":\"major\",\"type\":\"uint32\"},{\"name\":\"minor\",\"type\":\"uint32\"},{\"name\":\"patch\",\"type\":\"uint32\"},{\"name\":\"commit\",\"type\":\"bytes20\"},{\"name\":\"pass\",\"type\":\"address[]\"},{\"name\":\"fail\",\"type\":\"address[]\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"signers\",\"outputs\":[{\"name\":\"\",\"type\":\"address[]\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"user\",\"type\":\"address\"}],\"name\":\"demote\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"user\",\"type\":\"address\"}],\"name\":\"authVotes\",\"outputs\":[{\"name\":\"promote\",\"type\":\"address[]\"},{\"name\":\"demote\",\"type\":\"address[]\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"currentVersion\",\"outputs\":[{\"name\":\"major\",\"type\":\"uint32\"},{\"name\":\"minor\",\"type\":\"uint32\"},{\"name\":\"patch\",\"type\":\"uint32\"},{\"name\":\"commit\",\"type\":\"bytes20\"},{\"name\":\"time\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"nuke\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"authProposals\",\"outputs\":[{\"name\":\"\",\"type\":\"address[]\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"user\",\"type\":\"address\"}],\"name\":\"promote\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"major\",\"type\":\"uint32\"},{\"name\":\"minor\",\"type\":\"uint32\"},{\"name\":\"patch\",\"type\":\"uint32\"},{\"name\":\"commit\",\"type\":\"bytes20\"}],\"name\":\"release\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"name\":\"signers\",\"type\":\"address[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"}]"
-
-// ReleaseOracleBin is the compiled bytecode used for deploying new contracts.
-const ReleaseOracleBin = `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-
-// DeployReleaseOracle deploys a new Ethereum contract, binding an instance of ReleaseOracle to it.
-func DeployReleaseOracle(auth *bind.TransactOpts, backend bind.ContractBackend, signers []common.Address) (common.Address, *types.Transaction, *ReleaseOracle, error) {
-	parsed, err := abi.JSON(strings.NewReader(ReleaseOracleABI))
-	if err != nil {
-		return common.Address{}, nil, nil, err
-	}
-	address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex(ReleaseOracleBin), backend, signers)
-	if err != nil {
-		return common.Address{}, nil, nil, err
-	}
-	return address, tx, &ReleaseOracle{ReleaseOracleCaller: ReleaseOracleCaller{contract: contract}, ReleaseOracleTransactor: ReleaseOracleTransactor{contract: contract}}, nil
-}
-
-// ReleaseOracle is an auto generated Go binding around an Ethereum contract.
-type ReleaseOracle struct {
-	ReleaseOracleCaller     // Read-only binding to the contract
-	ReleaseOracleTransactor // Write-only binding to the contract
-}
-
-// ReleaseOracleCaller is an auto generated read-only Go binding around an Ethereum contract.
-type ReleaseOracleCaller struct {
-	contract *bind.BoundContract // Generic contract wrapper for the low level calls
-}
-
-// ReleaseOracleTransactor is an auto generated write-only Go binding around an Ethereum contract.
-type ReleaseOracleTransactor struct {
-	contract *bind.BoundContract // Generic contract wrapper for the low level calls
-}
-
-// ReleaseOracleSession is an auto generated Go binding around an Ethereum contract,
-// with pre-set call and transact options.
-type ReleaseOracleSession struct {
-	Contract     *ReleaseOracle    // Generic contract binding to set the session for
-	CallOpts     bind.CallOpts     // Call options to use throughout this session
-	TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
-}
-
-// ReleaseOracleCallerSession is an auto generated read-only Go binding around an Ethereum contract,
-// with pre-set call options.
-type ReleaseOracleCallerSession struct {
-	Contract *ReleaseOracleCaller // Generic contract caller binding to set the session for
-	CallOpts bind.CallOpts        // Call options to use throughout this session
-}
-
-// ReleaseOracleTransactorSession is an auto generated write-only Go binding around an Ethereum contract,
-// with pre-set transact options.
-type ReleaseOracleTransactorSession struct {
-	Contract     *ReleaseOracleTransactor // Generic contract transactor binding to set the session for
-	TransactOpts bind.TransactOpts        // Transaction auth options to use throughout this session
-}
-
-// ReleaseOracleRaw is an auto generated low-level Go binding around an Ethereum contract.
-type ReleaseOracleRaw struct {
-	Contract *ReleaseOracle // Generic contract binding to access the raw methods on
-}
-
-// ReleaseOracleCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
-type ReleaseOracleCallerRaw struct {
-	Contract *ReleaseOracleCaller // Generic read-only contract binding to access the raw methods on
-}
-
-// ReleaseOracleTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
-type ReleaseOracleTransactorRaw struct {
-	Contract *ReleaseOracleTransactor // Generic write-only contract binding to access the raw methods on
-}
-
-// NewReleaseOracle creates a new instance of ReleaseOracle, bound to a specific deployed contract.
-func NewReleaseOracle(address common.Address, backend bind.ContractBackend) (*ReleaseOracle, error) {
-	contract, err := bindReleaseOracle(address, backend, backend)
-	if err != nil {
-		return nil, err
-	}
-	return &ReleaseOracle{ReleaseOracleCaller: ReleaseOracleCaller{contract: contract}, ReleaseOracleTransactor: ReleaseOracleTransactor{contract: contract}}, nil
-}
-
-// NewReleaseOracleCaller creates a new read-only instance of ReleaseOracle, bound to a specific deployed contract.
-func NewReleaseOracleCaller(address common.Address, caller bind.ContractCaller) (*ReleaseOracleCaller, error) {
-	contract, err := bindReleaseOracle(address, caller, nil)
-	if err != nil {
-		return nil, err
-	}
-	return &ReleaseOracleCaller{contract: contract}, nil
-}
-
-// NewReleaseOracleTransactor creates a new write-only instance of ReleaseOracle, bound to a specific deployed contract.
-func NewReleaseOracleTransactor(address common.Address, transactor bind.ContractTransactor) (*ReleaseOracleTransactor, error) {
-	contract, err := bindReleaseOracle(address, nil, transactor)
-	if err != nil {
-		return nil, err
-	}
-	return &ReleaseOracleTransactor{contract: contract}, nil
-}
-
-// bindReleaseOracle binds a generic wrapper to an already deployed contract.
-func bindReleaseOracle(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(ReleaseOracleABI))
-	if err != nil {
-		return nil, err
-	}
-	return bind.NewBoundContract(address, parsed, caller, transactor), nil
-}
-
-// Call invokes the (constant) contract method with params as input values and
-// sets the output to result. The result type might be a single field for simple
-// returns, a slice of interfaces for anonymous returns and a struct for named
-// returns.
-func (_ReleaseOracle *ReleaseOracleRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error {
-	return _ReleaseOracle.Contract.ReleaseOracleCaller.contract.Call(opts, result, method, params...)
-}
-
-// Transfer initiates a plain transaction to move funds to the contract, calling
-// its default method if one is available.
-func (_ReleaseOracle *ReleaseOracleRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.ReleaseOracleTransactor.contract.Transfer(opts)
-}
-
-// Transact invokes the (paid) contract method with params as input values.
-func (_ReleaseOracle *ReleaseOracleRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.ReleaseOracleTransactor.contract.Transact(opts, method, params...)
-}
-
-// Call invokes the (constant) contract method with params as input values and
-// sets the output to result. The result type might be a single field for simple
-// returns, a slice of interfaces for anonymous returns and a struct for named
-// returns.
-func (_ReleaseOracle *ReleaseOracleCallerRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error {
-	return _ReleaseOracle.Contract.contract.Call(opts, result, method, params...)
-}
-
-// Transfer initiates a plain transaction to move funds to the contract, calling
-// its default method if one is available.
-func (_ReleaseOracle *ReleaseOracleTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.contract.Transfer(opts)
-}
-
-// Transact invokes the (paid) contract method with params as input values.
-func (_ReleaseOracle *ReleaseOracleTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.contract.Transact(opts, method, params...)
-}
-
-// AuthProposals is a free data retrieval call binding the contract method 0xbf8ecf9c.
-//
-// Solidity: function authProposals() constant returns(address[])
-func (_ReleaseOracle *ReleaseOracleCaller) AuthProposals(opts *bind.CallOpts) ([]common.Address, error) {
-	var (
-		ret0 = new([]common.Address)
-	)
-	out := ret0
-	err := _ReleaseOracle.contract.Call(opts, out, "authProposals")
-	return *ret0, err
-}
-
-// AuthProposals is a free data retrieval call binding the contract method 0xbf8ecf9c.
-//
-// Solidity: function authProposals() constant returns(address[])
-func (_ReleaseOracle *ReleaseOracleSession) AuthProposals() ([]common.Address, error) {
-	return _ReleaseOracle.Contract.AuthProposals(&_ReleaseOracle.CallOpts)
-}
-
-// AuthProposals is a free data retrieval call binding the contract method 0xbf8ecf9c.
-//
-// Solidity: function authProposals() constant returns(address[])
-func (_ReleaseOracle *ReleaseOracleCallerSession) AuthProposals() ([]common.Address, error) {
-	return _ReleaseOracle.Contract.AuthProposals(&_ReleaseOracle.CallOpts)
-}
-
-// AuthVotes is a free data retrieval call binding the contract method 0x64ed31fe.
-//
-// Solidity: function authVotes(user address) constant returns(promote address[], demote address[])
-func (_ReleaseOracle *ReleaseOracleCaller) AuthVotes(opts *bind.CallOpts, user common.Address) (struct {
-	Promote []common.Address
-	Demote  []common.Address
-}, error) {
-	ret := new(struct {
-		Promote []common.Address
-		Demote  []common.Address
-	})
-	out := ret
-	err := _ReleaseOracle.contract.Call(opts, out, "authVotes", user)
-	return *ret, err
-}
-
-// AuthVotes is a free data retrieval call binding the contract method 0x64ed31fe.
-//
-// Solidity: function authVotes(user address) constant returns(promote address[], demote address[])
-func (_ReleaseOracle *ReleaseOracleSession) AuthVotes(user common.Address) (struct {
-	Promote []common.Address
-	Demote  []common.Address
-}, error) {
-	return _ReleaseOracle.Contract.AuthVotes(&_ReleaseOracle.CallOpts, user)
-}
-
-// AuthVotes is a free data retrieval call binding the contract method 0x64ed31fe.
-//
-// Solidity: function authVotes(user address) constant returns(promote address[], demote address[])
-func (_ReleaseOracle *ReleaseOracleCallerSession) AuthVotes(user common.Address) (struct {
-	Promote []common.Address
-	Demote  []common.Address
-}, error) {
-	return _ReleaseOracle.Contract.AuthVotes(&_ReleaseOracle.CallOpts, user)
-}
-
-// CurrentVersion is a free data retrieval call binding the contract method 0x9d888e86.
-//
-// Solidity: function currentVersion() constant returns(major uint32, minor uint32, patch uint32, commit bytes20, time uint256)
-func (_ReleaseOracle *ReleaseOracleCaller) CurrentVersion(opts *bind.CallOpts) (struct {
-	Major  uint32
-	Minor  uint32
-	Patch  uint32
-	Commit [20]byte
-	Time   *big.Int
-}, error) {
-	ret := new(struct {
-		Major  uint32
-		Minor  uint32
-		Patch  uint32
-		Commit [20]byte
-		Time   *big.Int
-	})
-	out := ret
-	err := _ReleaseOracle.contract.Call(opts, out, "currentVersion")
-	return *ret, err
-}
-
-// CurrentVersion is a free data retrieval call binding the contract method 0x9d888e86.
-//
-// Solidity: function currentVersion() constant returns(major uint32, minor uint32, patch uint32, commit bytes20, time uint256)
-func (_ReleaseOracle *ReleaseOracleSession) CurrentVersion() (struct {
-	Major  uint32
-	Minor  uint32
-	Patch  uint32
-	Commit [20]byte
-	Time   *big.Int
-}, error) {
-	return _ReleaseOracle.Contract.CurrentVersion(&_ReleaseOracle.CallOpts)
-}
-
-// CurrentVersion is a free data retrieval call binding the contract method 0x9d888e86.
-//
-// Solidity: function currentVersion() constant returns(major uint32, minor uint32, patch uint32, commit bytes20, time uint256)
-func (_ReleaseOracle *ReleaseOracleCallerSession) CurrentVersion() (struct {
-	Major  uint32
-	Minor  uint32
-	Patch  uint32
-	Commit [20]byte
-	Time   *big.Int
-}, error) {
-	return _ReleaseOracle.Contract.CurrentVersion(&_ReleaseOracle.CallOpts)
-}
-
-// ProposedVersion is a free data retrieval call binding the contract method 0x26db7648.
-//
-// Solidity: function proposedVersion() constant returns(major uint32, minor uint32, patch uint32, commit bytes20, pass address[], fail address[])
-func (_ReleaseOracle *ReleaseOracleCaller) ProposedVersion(opts *bind.CallOpts) (struct {
-	Major  uint32
-	Minor  uint32
-	Patch  uint32
-	Commit [20]byte
-	Pass   []common.Address
-	Fail   []common.Address
-}, error) {
-	ret := new(struct {
-		Major  uint32
-		Minor  uint32
-		Patch  uint32
-		Commit [20]byte
-		Pass   []common.Address
-		Fail   []common.Address
-	})
-	out := ret
-	err := _ReleaseOracle.contract.Call(opts, out, "proposedVersion")
-	return *ret, err
-}
-
-// ProposedVersion is a free data retrieval call binding the contract method 0x26db7648.
-//
-// Solidity: function proposedVersion() constant returns(major uint32, minor uint32, patch uint32, commit bytes20, pass address[], fail address[])
-func (_ReleaseOracle *ReleaseOracleSession) ProposedVersion() (struct {
-	Major  uint32
-	Minor  uint32
-	Patch  uint32
-	Commit [20]byte
-	Pass   []common.Address
-	Fail   []common.Address
-}, error) {
-	return _ReleaseOracle.Contract.ProposedVersion(&_ReleaseOracle.CallOpts)
-}
-
-// ProposedVersion is a free data retrieval call binding the contract method 0x26db7648.
-//
-// Solidity: function proposedVersion() constant returns(major uint32, minor uint32, patch uint32, commit bytes20, pass address[], fail address[])
-func (_ReleaseOracle *ReleaseOracleCallerSession) ProposedVersion() (struct {
-	Major  uint32
-	Minor  uint32
-	Patch  uint32
-	Commit [20]byte
-	Pass   []common.Address
-	Fail   []common.Address
-}, error) {
-	return _ReleaseOracle.Contract.ProposedVersion(&_ReleaseOracle.CallOpts)
-}
-
-// Signers is a free data retrieval call binding the contract method 0x46f0975a.
-//
-// Solidity: function signers() constant returns(address[])
-func (_ReleaseOracle *ReleaseOracleCaller) Signers(opts *bind.CallOpts) ([]common.Address, error) {
-	var (
-		ret0 = new([]common.Address)
-	)
-	out := ret0
-	err := _ReleaseOracle.contract.Call(opts, out, "signers")
-	return *ret0, err
-}
-
-// Signers is a free data retrieval call binding the contract method 0x46f0975a.
-//
-// Solidity: function signers() constant returns(address[])
-func (_ReleaseOracle *ReleaseOracleSession) Signers() ([]common.Address, error) {
-	return _ReleaseOracle.Contract.Signers(&_ReleaseOracle.CallOpts)
-}
-
-// Signers is a free data retrieval call binding the contract method 0x46f0975a.
-//
-// Solidity: function signers() constant returns(address[])
-func (_ReleaseOracle *ReleaseOracleCallerSession) Signers() ([]common.Address, error) {
-	return _ReleaseOracle.Contract.Signers(&_ReleaseOracle.CallOpts)
-}
-
-// Demote is a paid mutator transaction binding the contract method 0x5c3d005d.
-//
-// Solidity: function demote(user address) returns()
-func (_ReleaseOracle *ReleaseOracleTransactor) Demote(opts *bind.TransactOpts, user common.Address) (*types.Transaction, error) {
-	return _ReleaseOracle.contract.Transact(opts, "demote", user)
-}
-
-// Demote is a paid mutator transaction binding the contract method 0x5c3d005d.
-//
-// Solidity: function demote(user address) returns()
-func (_ReleaseOracle *ReleaseOracleSession) Demote(user common.Address) (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.Demote(&_ReleaseOracle.TransactOpts, user)
-}
-
-// Demote is a paid mutator transaction binding the contract method 0x5c3d005d.
-//
-// Solidity: function demote(user address) returns()
-func (_ReleaseOracle *ReleaseOracleTransactorSession) Demote(user common.Address) (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.Demote(&_ReleaseOracle.TransactOpts, user)
-}
-
-// Nuke is a paid mutator transaction binding the contract method 0xbc8fbbf8.
-//
-// Solidity: function nuke() returns()
-func (_ReleaseOracle *ReleaseOracleTransactor) Nuke(opts *bind.TransactOpts) (*types.Transaction, error) {
-	return _ReleaseOracle.contract.Transact(opts, "nuke")
-}
-
-// Nuke is a paid mutator transaction binding the contract method 0xbc8fbbf8.
-//
-// Solidity: function nuke() returns()
-func (_ReleaseOracle *ReleaseOracleSession) Nuke() (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.Nuke(&_ReleaseOracle.TransactOpts)
-}
-
-// Nuke is a paid mutator transaction binding the contract method 0xbc8fbbf8.
-//
-// Solidity: function nuke() returns()
-func (_ReleaseOracle *ReleaseOracleTransactorSession) Nuke() (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.Nuke(&_ReleaseOracle.TransactOpts)
-}
-
-// Promote is a paid mutator transaction binding the contract method 0xd0e0813a.
-//
-// Solidity: function promote(user address) returns()
-func (_ReleaseOracle *ReleaseOracleTransactor) Promote(opts *bind.TransactOpts, user common.Address) (*types.Transaction, error) {
-	return _ReleaseOracle.contract.Transact(opts, "promote", user)
-}
-
-// Promote is a paid mutator transaction binding the contract method 0xd0e0813a.
-//
-// Solidity: function promote(user address) returns()
-func (_ReleaseOracle *ReleaseOracleSession) Promote(user common.Address) (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.Promote(&_ReleaseOracle.TransactOpts, user)
-}
-
-// Promote is a paid mutator transaction binding the contract method 0xd0e0813a.
-//
-// Solidity: function promote(user address) returns()
-func (_ReleaseOracle *ReleaseOracleTransactorSession) Promote(user common.Address) (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.Promote(&_ReleaseOracle.TransactOpts, user)
-}
-
-// Release is a paid mutator transaction binding the contract method 0xd67cbec9.
-//
-// Solidity: function release(major uint32, minor uint32, patch uint32, commit bytes20) returns()
-func (_ReleaseOracle *ReleaseOracleTransactor) Release(opts *bind.TransactOpts, major uint32, minor uint32, patch uint32, commit [20]byte) (*types.Transaction, error) {
-	return _ReleaseOracle.contract.Transact(opts, "release", major, minor, patch, commit)
-}
-
-// Release is a paid mutator transaction binding the contract method 0xd67cbec9.
-//
-// Solidity: function release(major uint32, minor uint32, patch uint32, commit bytes20) returns()
-func (_ReleaseOracle *ReleaseOracleSession) Release(major uint32, minor uint32, patch uint32, commit [20]byte) (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.Release(&_ReleaseOracle.TransactOpts, major, minor, patch, commit)
-}
-
-// Release is a paid mutator transaction binding the contract method 0xd67cbec9.
-//
-// Solidity: function release(major uint32, minor uint32, patch uint32, commit bytes20) returns()
-func (_ReleaseOracle *ReleaseOracleTransactorSession) Release(major uint32, minor uint32, patch uint32, commit [20]byte) (*types.Transaction, error) {
-	return _ReleaseOracle.Contract.Release(&_ReleaseOracle.TransactOpts, major, minor, patch, commit)
-}
diff --git a/contracts/release/contract.sol b/contracts/release/contract.sol
deleted file mode 100644
index 2a28c5894..000000000
--- a/contracts/release/contract.sol
+++ /dev/null
@@ -1,251 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-pragma solidity ^0.4.18;
-
-// ReleaseOracle is an Ethereum contract to store the current and previous
-// versions of the go-ethereum implementation. Its goal is to allow Geth to
-// check for new releases automatically without the need to consult a central
-// repository.
-//
-// The contract takes a vote based approach on both assigning authorised signers
-// as well as signing off on new Geth releases.
-//
-// Note, when a signer is demoted, the currently pending release is auto-nuked.
-// The reason is to prevent suprises where a demotion actually tilts the votes
-// in favor of one voter party and pushing out a new release as a consequence of
-// a simple demotion.
-contract ReleaseOracle {
-  // Votes is an internal data structure to count votes on a specific proposal
-  struct Votes {
-    address[] pass; // List of signers voting to pass a proposal
-    address[] fail; // List of signers voting to fail a proposal
-  }
-
-  // Version is the version details of a particular Geth release
-  struct Version {
-    uint32  major;  // Major version component of the release
-    uint32  minor;  // Minor version component of the release
-    uint32  patch;  // Patch version component of the release
-    bytes20 commit; // Git SHA1 commit hash of the release
-
-    uint64  time;  // Timestamp of the release approval
-    Votes   votes; // Votes that passed this release
-  }
-
-  // Oracle authorization details
-  mapping(address => bool) authorised; // Set of accounts allowed to vote on updating the contract
-  address[]                voters;     // List of addresses currently accepted as signers
-
-  // Various proposals being voted on
-  mapping(address => Votes) authProps; // Currently running user authorization proposals
-  address[]                 authPend;  // List of addresses being voted on (map indexes)
-
-  Version   verProp;  // Currently proposed release being voted on
-  Version[] releases; // All the positively voted releases
-
-  // isSigner is a modifier to authorize contract transactions.
-  modifier isSigner() {
-    if (authorised[msg.sender]) {
-      _;
-    }
-  }
-
-  // Constructor to assign the initial set of signers.
-  function ReleaseOracle(address[] signers) {
-    // If no signers were specified, assign the creator as the sole signer
-    if (signers.length == 0) {
-      authorised[msg.sender] = true;
-      voters.push(msg.sender);
-      return;
-    }
-    // Otherwise assign the individual signers one by one
-    for (uint i = 0; i < signers.length; i++) {
-      authorised[signers[i]] = true;
-      voters.push(signers[i]);
-    }
-  }
-
-  // signers is an accessor method to retrieve all the signers (public accessor
-  // generates an indexed one, not a retrieve-all version).
-  function signers() constant returns(address[]) {
-    return voters;
-  }
-
-  // authProposals retrieves the list of addresses that authorization proposals
-  // are currently being voted on.
-  function authProposals() constant returns(address[]) {
-    return authPend;
-  }
-
-  // authVotes retrieves the current authorization votes for a particular user
-  // to promote him into the list of signers, or demote him from there.
-  function authVotes(address user) constant returns(address[] promote, address[] demote) {
-    return (authProps[user].pass, authProps[user].fail);
-  }
-
-  // currentVersion retrieves the semantic version, commit hash and release time
-  // of the currently votec active release.
-  function currentVersion() constant returns (uint32 major, uint32 minor, uint32 patch, bytes20 commit, uint time) {
-    if (releases.length == 0) {
-      return (0, 0, 0, 0, 0);
-    }
-    var release = releases[releases.length - 1];
-
-    return (release.major, release.minor, release.patch, release.commit, release.time);
-  }
-
-  // proposedVersion retrieves the semantic version, commit hash and the current
-  // votes for the next proposed release.
-  function proposedVersion() constant returns (uint32 major, uint32 minor, uint32 patch, bytes20 commit, address[] pass, address[] fail) {
-    return (verProp.major, verProp.minor, verProp.patch, verProp.commit, verProp.votes.pass, verProp.votes.fail);
-  }
-
-  // promote pitches in on a voting campaign to promote a new user to a signer
-  // position.
-  function promote(address user) {
-    updateSigner(user, true);
-  }
-
-  // demote pitches in on a voting campaign to demote an authorised user from
-  // its signer position.
-  function demote(address user) {
-    updateSigner(user, false);
-  }
-
-  // release votes for a particular version to be included as the next release.
-  function release(uint32 major, uint32 minor, uint32 patch, bytes20 commit) {
-    updateRelease(major, minor, patch, commit, true);
-  }
-
-  // nuke votes for the currently proposed version to not be included as the next
-  // release. Nuking doesn't require a specific version number for simplicity.
-  function nuke() {
-    updateRelease(0, 0, 0, 0, false);
-  }
-
-  // updateSigner marks a vote for changing the status of an Ethereum user, either
-  // for or against the user being an authorised signer.
-  function updateSigner(address user, bool authorize) internal isSigner {
-    // Gather the current votes and ensure we don't double vote
-    Votes votes = authProps[user];
-    for (uint i = 0; i < votes.pass.length; i++) {
-      if (votes.pass[i] == msg.sender) {
-        return;
-      }
-    }
-    for (i = 0; i < votes.fail.length; i++) {
-      if (votes.fail[i] == msg.sender) {
-        return;
-      }
-    }
-    // If no authorization proposal is open, add the user to the index for later lookups
-    if (votes.pass.length == 0 && votes.fail.length == 0) {
-      authPend.push(user);
-    }
-    // Cast the vote and return if the proposal cannot be resolved yet
-    if (authorize) {
-      votes.pass.push(msg.sender);
-      if (votes.pass.length <= voters.length / 2) {
-        return;
-      }
-    } else {
-      votes.fail.push(msg.sender);
-      if (votes.fail.length <= voters.length / 2) {
-        return;
-      }
-    }
-    // Proposal resolved in our favor, execute whatever we voted on
-    if (authorize && !authorised[user]) {
-      authorised[user] = true;
-      voters.push(user);
-    } else if (!authorize && authorised[user]) {
-      authorised[user] = false;
-
-      for (i = 0; i < voters.length; i++) {
-        if (voters[i] == user) {
-          voters[i] = voters[voters.length - 1];
-          voters.length--;
-
-          delete verProp; // Nuke any version proposal (no surprise releases!)
-          break;
-        }
-      }
-    }
-    // Finally delete the resolved proposal, index and garbage collect
-    delete authProps[user];
-
-    for (i = 0; i < authPend.length; i++) {
-      if (authPend[i] == user) {
-        authPend[i] = authPend[authPend.length - 1];
-        authPend.length--;
-        break;
-      }
-    }
-  }
-
-  // updateRelease votes for a particular version to be included as the next release,
-  // or for the currently proposed release to be nuked out.
-  function updateRelease(uint32 major, uint32 minor, uint32 patch, bytes20 commit, bool release) internal isSigner {
-    // Skip nuke votes if no proposal is pending
-    if (!release && verProp.votes.pass.length == 0) {
-      return;
-    }
-    // Mark a new release if no proposal is pending
-    if (verProp.votes.pass.length == 0) {
-      verProp.major  = major;
-      verProp.minor  = minor;
-      verProp.patch  = patch;
-      verProp.commit = commit;
-    }
-    // Make sure positive votes match the current proposal
-    if (release && (verProp.major != major || verProp.minor != minor || verProp.patch != patch || verProp.commit != commit)) {
-      return;
-    }
-    // Gather the current votes and ensure we don't double vote
-    Votes votes = verProp.votes;
-    for (uint i = 0; i < votes.pass.length; i++) {
-      if (votes.pass[i] == msg.sender) {
-        return;
-      }
-    }
-    for (i = 0; i < votes.fail.length; i++) {
-      if (votes.fail[i] == msg.sender) {
-        return;
-      }
-    }
-    // Cast the vote and return if the proposal cannot be resolved yet
-    if (release) {
-      votes.pass.push(msg.sender);
-      if (votes.pass.length <= voters.length / 2) {
-        return;
-      }
-    } else {
-      votes.fail.push(msg.sender);
-      if (votes.fail.length <= voters.length / 2) {
-        return;
-      }
-    }
-    // Proposal resolved in our favor, execute whatever we voted on
-    if (release) {
-      verProp.time = uint64(now);
-      releases.push(verProp);
-      delete verProp;
-    } else {
-      delete verProp;
-    }
-  }
-}
diff --git a/contracts/release/contract_test.go b/contracts/release/contract_test.go
deleted file mode 100644
index 0b2b2f048..000000000
--- a/contracts/release/contract_test.go
+++ /dev/null
@@ -1,374 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package release
-
-import (
-	"crypto/ecdsa"
-	"math/big"
-	"testing"
-
-	"github.com/ethereum/go-ethereum/accounts/abi/bind"
-	"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/core"
-	"github.com/ethereum/go-ethereum/crypto"
-)
-
-// setupReleaseTest creates a blockchain simulator and deploys a version oracle
-// contract for testing.
-func setupReleaseTest(t *testing.T, prefund ...*ecdsa.PrivateKey) (*ecdsa.PrivateKey, *ReleaseOracle, *backends.SimulatedBackend) {
-	// Generate a new random account and a funded simulator
-	key, _ := crypto.GenerateKey()
-	auth := bind.NewKeyedTransactor(key)
-
-	alloc := core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}
-	for _, key := range prefund {
-		alloc[crypto.PubkeyToAddress(key.PublicKey)] = core.GenesisAccount{Balance: big.NewInt(10000000000)}
-	}
-	sim := backends.NewSimulatedBackend(alloc)
-
-	// Deploy a version oracle contract, commit and return
-	_, _, oracle, err := DeployReleaseOracle(auth, sim, []common.Address{auth.From})
-	if err != nil {
-		t.Fatalf("Failed to deploy version contract: %v", err)
-	}
-	sim.Commit()
-
-	return key, oracle, sim
-}
-
-// Tests that the version contract can be deployed and the creator is assigned
-// the sole authorized signer.
-func TestContractCreation(t *testing.T) {
-	key, oracle, _ := setupReleaseTest(t)
-
-	owner := crypto.PubkeyToAddress(key.PublicKey)
-	signers, err := oracle.Signers(nil)
-	if err != nil {
-		t.Fatalf("Failed to retrieve list of signers: %v", err)
-	}
-	if len(signers) != 1 || signers[0] != owner {
-		t.Fatalf("Initial signer mismatch: have %v, want %v", signers, owner)
-	}
-}
-
-// Tests that subsequent signers can be promoted, each requiring half plus one
-// votes for it to pass through.
-func TestSignerPromotion(t *testing.T) {
-	// Prefund a few accounts to authorize with and create the oracle
-	keys := make([]*ecdsa.PrivateKey, 5)
-	for i := 0; i < len(keys); i++ {
-		keys[i], _ = crypto.GenerateKey()
-	}
-	key, oracle, sim := setupReleaseTest(t, keys...)
-
-	// Gradually promote the keys, until all are authorized
-	keys = append([]*ecdsa.PrivateKey{key}, keys...)
-	for i := 1; i < len(keys); i++ {
-		// Check that no votes are accepted from the not yet authorized user
-		if _, err := oracle.Promote(bind.NewKeyedTransactor(keys[i]), common.Address{}); err != nil {
-			t.Fatalf("Iter #%d: failed invalid promotion attempt: %v", i, err)
-		}
-		sim.Commit()
-
-		pend, err := oracle.AuthProposals(nil)
-		if err != nil {
-			t.Fatalf("Iter #%d: failed to retrieve active proposals: %v", i, err)
-		}
-		if len(pend) != 0 {
-			t.Fatalf("Iter #%d: proposal count mismatch: have %d, want 0", i, len(pend))
-		}
-		// Promote with half - 1 voters and check that the user's not yet authorized
-		for j := 0; j < i/2; j++ {
-			if _, err = oracle.Promote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
-				t.Fatalf("Iter #%d: failed valid promotion attempt: %v", i, err)
-			}
-		}
-		sim.Commit()
-
-		signers, err := oracle.Signers(nil)
-		if err != nil {
-			t.Fatalf("Iter #%d: failed to retrieve list of signers: %v", i, err)
-		}
-		if len(signers) != i {
-			t.Fatalf("Iter #%d: signer count mismatch: have %v, want %v", i, len(signers), i)
-		}
-		// Promote with the last one needed to pass the promotion
-		if _, err = oracle.Promote(bind.NewKeyedTransactor(keys[i/2]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
-			t.Fatalf("Iter #%d: failed valid promotion completion attempt: %v", i, err)
-		}
-		sim.Commit()
-
-		signers, err = oracle.Signers(nil)
-		if err != nil {
-			t.Fatalf("Iter #%d: failed to retrieve list of signers: %v", i, err)
-		}
-		if len(signers) != i+1 {
-			t.Fatalf("Iter #%d: signer count mismatch: have %v, want %v", i, len(signers), i+1)
-		}
-	}
-}
-
-// Tests that subsequent signers can be demoted, each requiring half plus one
-// votes for it to pass through.
-func TestSignerDemotion(t *testing.T) {
-	// Prefund a few accounts to authorize with and create the oracle
-	keys := make([]*ecdsa.PrivateKey, 5)
-	for i := 0; i < len(keys); i++ {
-		keys[i], _ = crypto.GenerateKey()
-	}
-	key, oracle, sim := setupReleaseTest(t, keys...)
-
-	// Authorize all the keys as valid signers and verify cardinality
-	keys = append([]*ecdsa.PrivateKey{key}, keys...)
-	for i := 1; i < len(keys); i++ {
-		for j := 0; j <= i/2; j++ {
-			if _, err := oracle.Promote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
-				t.Fatalf("Iter #%d: failed valid promotion attempt: %v", i, err)
-			}
-		}
-		sim.Commit()
-	}
-	signers, err := oracle.Signers(nil)
-	if err != nil {
-		t.Fatalf("Failed to retrieve list of signers: %v", err)
-	}
-	if len(signers) != len(keys) {
-		t.Fatalf("Signer count mismatch: have %v, want %v", len(signers), len(keys))
-	}
-	// Gradually demote users until we run out of signers
-	for i := len(keys) - 1; i >= 0; i-- {
-		// Demote with half - 1 voters and check that the user's not yet dropped
-		for j := 0; j < (i+1)/2; j++ {
-			if _, err = oracle.Demote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
-				t.Fatalf("Iter #%d: failed valid demotion attempt: %v", len(keys)-i, err)
-			}
-		}
-		sim.Commit()
-
-		signers, err := oracle.Signers(nil)
-		if err != nil {
-			t.Fatalf("Iter #%d: failed to retrieve list of signers: %v", len(keys)-i, err)
-		}
-		if len(signers) != i+1 {
-			t.Fatalf("Iter #%d: signer count mismatch: have %v, want %v", len(keys)-i, len(signers), i+1)
-		}
-		// Demote with the last one needed to pass the demotion
-		if _, err = oracle.Demote(bind.NewKeyedTransactor(keys[(i+1)/2]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
-			t.Fatalf("Iter #%d: failed valid demotion completion attempt: %v", i, err)
-		}
-		sim.Commit()
-
-		signers, err = oracle.Signers(nil)
-		if err != nil {
-			t.Fatalf("Iter #%d: failed to retrieve list of signers: %v", len(keys)-i, err)
-		}
-		if len(signers) != i {
-			t.Fatalf("Iter #%d: signer count mismatch: have %v, want %v", len(keys)-i, len(signers), i)
-		}
-		// Check that no votes are accepted from the already demoted users
-		if _, err = oracle.Promote(bind.NewKeyedTransactor(keys[i]), common.Address{}); err != nil {
-			t.Fatalf("Iter #%d: failed invalid promotion attempt: %v", i, err)
-		}
-		sim.Commit()
-
-		pend, err := oracle.AuthProposals(nil)
-		if err != nil {
-			t.Fatalf("Iter #%d: failed to retrieve active proposals: %v", i, err)
-		}
-		if len(pend) != 0 {
-			t.Fatalf("Iter #%d: proposal count mismatch: have %d, want 0", i, len(pend))
-		}
-	}
-}
-
-// Tests that new versions can be released, honouring both voting rights as well
-// as the minimum required vote count.
-func TestVersionRelease(t *testing.T) {
-	// Prefund a few accounts to authorize with and create the oracle
-	keys := make([]*ecdsa.PrivateKey, 5)
-	for i := 0; i < len(keys); i++ {
-		keys[i], _ = crypto.GenerateKey()
-	}
-	key, oracle, sim := setupReleaseTest(t, keys...)
-
-	// Track the "current release"
-	var (
-		verMajor  = uint32(0)
-		verMinor  = uint32(0)
-		verPatch  = uint32(0)
-		verCommit = [20]byte{}
-	)
-	// Gradually push releases, always requiring more signers than previously
-	keys = append([]*ecdsa.PrivateKey{key}, keys...)
-	for i := 1; i < len(keys); i++ {
-		// Check that no votes are accepted from the not yet authorized user
-		if _, err := oracle.Release(bind.NewKeyedTransactor(keys[i]), 0, 0, 0, [20]byte{0}); err != nil {
-			t.Fatalf("Iter #%d: failed invalid release attempt: %v", i, err)
-		}
-		sim.Commit()
-
-		prop, err := oracle.ProposedVersion(nil)
-		if err != nil {
-			t.Fatalf("Iter #%d: failed to retrieve active proposal: %v", i, err)
-		}
-		if len(prop.Pass) != 0 {
-			t.Fatalf("Iter #%d: proposal vote count mismatch: have %d, want 0", i, len(prop.Pass))
-		}
-		// Authorize the user to make releases
-		for j := 0; j <= i/2; j++ {
-			if _, err = oracle.Promote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
-				t.Fatalf("Iter #%d: failed valid promotion attempt: %v", i, err)
-			}
-		}
-		sim.Commit()
-
-		// Propose release with half voters and check that the release does not yet go through
-		for j := 0; j < (i+1)/2; j++ {
-			if _, err = oracle.Release(bind.NewKeyedTransactor(keys[j]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}); err != nil {
-				t.Fatalf("Iter #%d: failed valid release attempt: %v", i, err)
-			}
-		}
-		sim.Commit()
-
-		ver, err := oracle.CurrentVersion(nil)
-		if err != nil {
-			t.Fatalf("Iter #%d: failed to retrieve current version: %v", i, err)
-		}
-		if ver.Major != verMajor || ver.Minor != verMinor || ver.Patch != verPatch || ver.Commit != verCommit {
-			t.Fatalf("Iter #%d: version mismatch: have %d.%d.%d-%x, want %d.%d.%d-%x", i, ver.Major, ver.Minor, ver.Patch, ver.Commit, verMajor, verMinor, verPatch, verCommit)
-		}
-
-		// Pass the release and check that it became the next version
-		verMajor, verMinor, verPatch, verCommit = uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}
-		if _, err = oracle.Release(bind.NewKeyedTransactor(keys[(i+1)/2]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}); err != nil {
-			t.Fatalf("Iter #%d: failed valid release completion attempt: %v", i, err)
-		}
-		sim.Commit()
-
-		ver, err = oracle.CurrentVersion(nil)
-		if err != nil {
-			t.Fatalf("Iter #%d: failed to retrieve current version: %v", i, err)
-		}
-		if ver.Major != verMajor || ver.Minor != verMinor || ver.Patch != verPatch || ver.Commit != verCommit {
-			t.Fatalf("Iter #%d: version mismatch: have %d.%d.%d-%x, want %d.%d.%d-%x", i, ver.Major, ver.Minor, ver.Patch, ver.Commit, verMajor, verMinor, verPatch, verCommit)
-		}
-	}
-}
-
-// Tests that proposed versions can be nuked out of existence.
-func TestVersionNuking(t *testing.T) {
-	// Prefund a few accounts to authorize with and create the oracle
-	keys := make([]*ecdsa.PrivateKey, 9)
-	for i := 0; i < len(keys); i++ {
-		keys[i], _ = crypto.GenerateKey()
-	}
-	key, oracle, sim := setupReleaseTest(t, keys...)
-
-	// Authorize all the keys as valid signers
-	keys = append([]*ecdsa.PrivateKey{key}, keys...)
-	for i := 1; i < len(keys); i++ {
-		for j := 0; j <= i/2; j++ {
-			if _, err := oracle.Promote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
-				t.Fatalf("Iter #%d: failed valid promotion attempt: %v", i, err)
-			}
-		}
-		sim.Commit()
-	}
-	// Propose releases with more and more keys, always retaining enough users to nuke the proposals
-	for i := 1; i < (len(keys)+1)/2; i++ {
-		// Propose release with an initial set of signers
-		for j := 0; j < i; j++ {
-			if _, err := oracle.Release(bind.NewKeyedTransactor(keys[j]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}); err != nil {
-				t.Fatalf("Iter #%d: failed valid proposal attempt: %v", i, err)
-			}
-		}
-		sim.Commit()
-
-		prop, err := oracle.ProposedVersion(nil)
-		if err != nil {
-			t.Fatalf("Iter #%d: failed to retrieve active proposal: %v", i, err)
-		}
-		if len(prop.Pass) != i {
-			t.Fatalf("Iter #%d: proposal vote count mismatch: have %d, want %d", i, len(prop.Pass), i)
-		}
-		// Nuke the release with half+1 voters
-		for j := i; j <= i+(len(keys)+1)/2; j++ {
-			if _, err := oracle.Nuke(bind.NewKeyedTransactor(keys[j])); err != nil {
-				t.Fatalf("Iter #%d: failed valid nuke attempt: %v", i, err)
-			}
-		}
-		sim.Commit()
-
-		prop, err = oracle.ProposedVersion(nil)
-		if err != nil {
-			t.Fatalf("Iter #%d: failed to retrieve active proposal: %v", i, err)
-		}
-		if len(prop.Pass) != 0 || len(prop.Fail) != 0 {
-			t.Fatalf("Iter #%d: proposal vote count mismatch: have %d/%d pass/fail, want 0/0", i, len(prop.Pass), len(prop.Fail))
-		}
-	}
-}
-
-// Tests that demoting a signer will auto-nuke the currently pending release.
-func TestVersionAutoNuke(t *testing.T) {
-	// Prefund a few accounts to authorize with and create the oracle
-	keys := make([]*ecdsa.PrivateKey, 5)
-	for i := 0; i < len(keys); i++ {
-		keys[i], _ = crypto.GenerateKey()
-	}
-	key, oracle, sim := setupReleaseTest(t, keys...)
-
-	// Authorize all the keys as valid signers
-	keys = append([]*ecdsa.PrivateKey{key}, keys...)
-	for i := 1; i < len(keys); i++ {
-		for j := 0; j <= i/2; j++ {
-			if _, err := oracle.Promote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
-				t.Fatalf("Iter #%d: failed valid promotion attempt: %v", i, err)
-			}
-		}
-		sim.Commit()
-	}
-	// Make a release proposal and check it's existence
-	if _, err := oracle.Release(bind.NewKeyedTransactor(keys[0]), 1, 2, 3, [20]byte{4}); err != nil {
-		t.Fatalf("Failed valid proposal attempt: %v", err)
-	}
-	sim.Commit()
-
-	prop, err := oracle.ProposedVersion(nil)
-	if err != nil {
-		t.Fatalf("Failed to retrieve active proposal: %v", err)
-	}
-	if len(prop.Pass) != 1 {
-		t.Fatalf("Proposal vote count mismatch: have %d, want 1", len(prop.Pass))
-	}
-	// Demote a signer and check release proposal deletion
-	for i := 0; i <= len(keys)/2; i++ {
-		if _, err := oracle.Demote(bind.NewKeyedTransactor(keys[i]), crypto.PubkeyToAddress(keys[len(keys)-1].PublicKey)); err != nil {
-			t.Fatalf("Iter #%d: failed valid demotion attempt: %v", i, err)
-		}
-	}
-	sim.Commit()
-
-	prop, err = oracle.ProposedVersion(nil)
-	if err != nil {
-		t.Fatalf("Failed to retrieve active proposal: %v", err)
-	}
-	if len(prop.Pass) != 0 {
-		t.Fatalf("Proposal vote count mismatch: have %d, want 0", len(prop.Pass))
-	}
-}
diff --git a/contracts/release/release.go b/contracts/release/release.go
deleted file mode 100644
index 4442ce3e0..000000000
--- a/contracts/release/release.go
+++ /dev/null
@@ -1,164 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-// Package release contains the node service that tracks client releases.
-package release
-
-//go:generate abigen --sol ./contract.sol --pkg release --out ./contract.go
-
-import (
-	"context"
-	"fmt"
-	"strings"
-	"time"
-
-	"github.com/ethereum/go-ethereum/accounts/abi/bind"
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/eth"
-	"github.com/ethereum/go-ethereum/internal/ethapi"
-	"github.com/ethereum/go-ethereum/les"
-	"github.com/ethereum/go-ethereum/log"
-	"github.com/ethereum/go-ethereum/node"
-	"github.com/ethereum/go-ethereum/p2p"
-	"github.com/ethereum/go-ethereum/rpc"
-)
-
-// Interval to check for new releases
-const releaseRecheckInterval = time.Hour
-
-// Config contains the configurations of the release service.
-type Config struct {
-	Oracle common.Address // Ethereum address of the release oracle
-	Major  uint32         // Major version component of the release
-	Minor  uint32         // Minor version component of the release
-	Patch  uint32         // Patch version component of the release
-	Commit [20]byte       // Git SHA1 commit hash of the release
-}
-
-// ReleaseService is a node service that periodically checks the blockchain for
-// newly released versions of the client being run and issues a warning to the
-// user about it.
-type ReleaseService struct {
-	config Config          // Current version to check releases against
-	oracle *ReleaseOracle  // Native binding to the release oracle contract
-	quit   chan chan error // Quit channel to terminate the version checker
-}
-
-// NewReleaseService creates a new service to periodically check for new client
-// releases and notify the user of such.
-func NewReleaseService(ctx *node.ServiceContext, config Config) (node.Service, error) {
-	// Retrieve the Ethereum service dependency to access the blockchain
-	var apiBackend ethapi.Backend
-	var ethereum *eth.Ethereum
-	if err := ctx.Service(&ethereum); err == nil {
-		apiBackend = ethereum.ApiBackend
-	} else {
-		var ethereum *les.LightEthereum
-		if err := ctx.Service(&ethereum); err == nil {
-			apiBackend = ethereum.ApiBackend
-		} else {
-			return nil, err
-		}
-	}
-	// Construct the release service
-	contract, err := NewReleaseOracle(config.Oracle, eth.NewContractBackend(apiBackend))
-	if err != nil {
-		return nil, err
-	}
-	return &ReleaseService{
-		config: config,
-		oracle: contract,
-		quit:   make(chan chan error),
-	}, nil
-}
-
-// Protocols returns an empty list of P2P protocols as the release service does
-// not have a networking component.
-func (r *ReleaseService) Protocols() []p2p.Protocol { return nil }
-
-// APIs returns an empty list of RPC descriptors as the release service does not
-// expose any functioanlity to the outside world.
-func (r *ReleaseService) APIs() []rpc.API { return nil }
-
-// Start spawns the periodic version checker goroutine
-func (r *ReleaseService) Start(server *p2p.Server) error {
-	go r.checker()
-	return nil
-}
-
-// Stop terminates all goroutines belonging to the service, blocking until they
-// are all terminated.
-func (r *ReleaseService) Stop() error {
-	errc := make(chan error)
-	r.quit <- errc
-	return <-errc
-}
-
-// checker runs indefinitely in the background, periodically checking for new
-// client releases.
-func (r *ReleaseService) checker() {
-	// Set up the timers to periodically check for releases
-	timer := time.NewTimer(0) // Immediately fire a version check
-	defer timer.Stop()
-
-	for {
-		select {
-		case <-timer.C:
-			// Rechedule the timer before continuing
-			timer.Reset(releaseRecheckInterval)
-			r.checkVersion()
-		case errc := <-r.quit:
-			errc <- nil
-			return
-		}
-	}
-}
-
-func (r *ReleaseService) checkVersion() {
-	// Retrieve the current version, and handle missing contracts gracefully
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	opts := &bind.CallOpts{Context: ctx}
-	defer cancel()
-
-	version, err := r.oracle.CurrentVersion(opts)
-	if err != nil {
-		if err == bind.ErrNoCode {
-			log.Debug("Release oracle not found", "contract", r.config.Oracle)
-		} else if err != les.ErrNoPeers {
-			log.Error("Failed to retrieve current release", "err", err)
-		}
-		return
-	}
-	// Version was successfully retrieved, notify if newer than ours
-	if version.Major > r.config.Major ||
-		(version.Major == r.config.Major && version.Minor > r.config.Minor) ||
-		(version.Major == r.config.Major && version.Minor == r.config.Minor && version.Patch > r.config.Patch) {
-
-		warning := fmt.Sprintf("Client v%d.%d.%d-%x seems older than the latest upstream release v%d.%d.%d-%x",
-			r.config.Major, r.config.Minor, r.config.Patch, r.config.Commit[:4], version.Major, version.Minor, version.Patch, version.Commit[:4])
-		howtofix := fmt.Sprintf("Please check https://github.com/ethereum/go-ethereum/releases for new releases")
-		separator := strings.Repeat("-", len(warning))
-
-		log.Warn(separator)
-		log.Warn(warning)
-		log.Warn(howtofix)
-		log.Warn(separator)
-	} else {
-		log.Debug("Client seems up to date with upstream",
-			"local", fmt.Sprintf("v%d.%d.%d-%x", r.config.Major, r.config.Minor, r.config.Patch, r.config.Commit[:4]),
-			"upstream", fmt.Sprintf("v%d.%d.%d-%x", version.Major, version.Minor, version.Patch, version.Commit[:4]))
-	}
-}